Amazon.com: Kyuionty 50Pcs Spring Band Clips 1/2" 12mm Air Hose Tube Water Pipe Fuel Hose Line Vacuum Hose Clamp, Fit 12.5-13mm OD (Black) : Office Products
Norma Cobra Clip Hose Clamps – S/Steel Band – 7.0 mm/8.0 mm wide 8.5 mm – 32mm
JCS Hose Clip 13mm band 22-30mm diameter in Stainless 304 - Westfield Fasteners Ltd